public static void IncludeCss(CompilerState state, Argument <string> path) { var uri = state.Context.ResourceSet.RelativeUri(path.Value); var resource = state.Context.ResourceSet.Get(uri); var styleReader = new StyleReader(); var styles = styleReader.Read(resource.GetContentAsString()); foreach (var style in styles) { state.Document.Styles.Add(style); } }